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Diseases » Arteriovenous Malformation » Diagnosis

Diagnosis of Arteriovenous Malformation

Arteriovenous Malformation Diagnosis: Book Excerpts

Diagnostic Tests for Arteriovenous Malformation: Online Medical Books

16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about diagnostis of Arteriovenous Malformation.

Jugular Venous Distension: Differential Diagnosis
(In a Page: Signs and Symptoms)

Congestive heart failure
Constrictive pericarditis
Cardiac tamponade
Superior vena cava syndrome
Tricuspid regurgitation
Heart block (most often complete heart block)
Atrial fibrillation
Right ventricular infarction
Tricuspid stenosis
Right ventricular dilation
Hypervolemia

Workup and Diagnosis

History and physical examination
–Best to evaluate the right internal jugular vein
–Best seen in tangential light from foot of bed
–Venous pulsation can be obliterated with compression, but arterial pulsation cannot
–Right atrium lies 5 cm below the sternal angle (reference point)
–Normal central venous pressure ≤8–9 cm
–Hepatojugular reflex is a helpful adjunct in patients with normal central venous pressure suspected of having right heart failure

ECG may reveal atrial fibrillation, ventricular tachycardia, right ventricular infarction, heart block, or other pathology
Chest X-ray may reveal signs of congestive heart failure or cardiomegaly
Echocardiogram is helpful to evaluate for valvular disease, myxomas, and right ventricular dysfunction
Additional diagnostic testing depends on the suspected pathology

» READ BOOK EXCERPT ONLINE »

Source: In a Page: Signs and Symptoms, 2004

Arteriovenous malformations: Diagnosis
(Professional Guide to Diseases (Eighth Edition))

Tests used to diagnose AVM include head computed tomography scan, cranial magnetic resonance imaging, and magnetic resonance angiography. An EEG may be performed if symptoms include seizures, but this test isn’t diagnostic of the specific area of the lesion.

Cerebral arteriogram confirms the presence of AVMs and evaluates blood flow. Doppler ultrasonography of cerebrovascular system indicates abnormal, turbulent blood flow.

» READ BOOK EXCERPT ONLINE »

Source: Professional Guide to Diseases (Eighth Edition), 2005